2620204

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{991}}^1$

素因数の和:1656

約数の個数: 12

約数和(自身を含む): 4596928

約数和(自身を除く): 1976724

約数列:

[1, 2, 4, 661, 991, 1322, 1982, 2644, 3964, 655051, 1310102, 2620204]

約数ペア:

[(1, 2620204), (2, 1310102), (4, 655051), (661, 3964), (991, 2644), (1322, 1982)]